Table 1.

Relationship between circSAFB2 expression and clinicopathological parameters of patients with RCC.

Variable	No. of patients	CircSAFB2 expression		P-value
		Low (n=30)	High (n=30)
Gender
Female	29	17	12	0.196
Male	31	13	18
Age (year)
≤60	28	12	16	0.301
>60	32	18	14
Tumor size (cm)
≤5	26	17	9	0.037
>5	34	13	21
TNM stage
I+II	33	21	12	0.020
III+IV	27	9	18
Lymph node metastasis
Negative	24	15	9	0.045
Positive	36	13	23